SepticRecord

Dorchester County

Septic services in Harleyville, South Carolina

Operators based within 12 miles of Harleyville

Listed by where the business is, not by who it says it serves. Every operator here was on the SCDES Onsite Wastewater Contractors list on the date its record shows, and the address it is placed by comes from that same list, so this is a checkable claim rather than a service-area promise. A South Carolina licence is issued by the state, not by a county, so operators further out can work here too; these are simply the ones closest to you.

Soil and septic suitability around Harleyville

The USDA has already rated this ground for exactly one use: a septic tank absorption field. Within 4 miles of Harleyville — 31,992 acres across 28 soil map units — it rates 96.1% of the land very limited for that use and 3% somewhat limited, and almost none with no limitation at all.

What the limitation actually is

A rating on its own tells you nothing you can act on. The reasons do, and around Harleyville the leading one is depth to saturated zone on 98.5% of the mapped area, followed by slow water movement on 34.1%. In full:

Limiting featureShare of areaWhat it means on site
Depth to saturated zone98.5%A seasonal water table sits too close to the surface
Slow water movement34.1%Water moves through the soil too slowly for a drain field to keep up
Seepage, bottom layer23.7%The layer beneath the trench is porous enough that effluent could reach groundwater without being filtered
Flooding16.6%The site floods often enough to matter
Filtering capacity0.8%The soil drains so fast it would not filter the effluent

Shares overlap: most soils here are limited for more than one reason at once, so these do not sum to 99.1%.

The soils themselves

The named soils and land types that make up most of the ground around Harleyville. Lynchburg alone accounts for 19.8% of it.

Soil or land typeShareDrainageSlopeDepth to bedrockSeptic rating
Lynchburg19.8% Somewhat poorly drained 0 to 2% None in profile Very limited
Rains16.1% Poorly drained 0 to 2% None in profile Very limited
Goldsboro14.5% Moderately well drained 0 to 2% None in profile Very limited
Grifton10.4% Poorly drained 0 to 2% None in profile Very limited
Noboco6.4% Well drained 0 to 2% None in profile Very limited

“None in profile” means SSURGO records no bedrock or other restrictive layer within the depth it describes, not that none exists.

Area of interest: a 4-mile radius around the USGS Geographic Names centre point for Harleyville (GNIS 2406643, 33.2131, -80.4478), chosen because five of this state's communities are unincorporated and have no boundary to use, and because the lots that need a septic permit are in the ring around a town rather than inside it. Soil from USDA-NRCS Soil Data Access, SSURGO interpretation “ENG - Septic Tank Absorption Fields”, area-weighted by mapped acreage and by each component's share of its map unit. Survey areas: Dorchester County, South Carolina (2025-09-03), Orangeburg County, South Carolina (2025-09-02). Retrieved 2026-09-18.

This is a survey, not an evaluation of your lot. The permit decision rests on the site evaluation SCDES carries out for the specific parcel.

By service

Permitting in Dorchester County

Septic permitting in Dorchester County is handled by the State of South Carolina, through the Department of Environmental Services, not by the county. See the Dorchester County detail →